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10 00 10 01 10 02 10 03 10 04 10 05 10 06 10 07 10 08 10 09 10 10 1900 1899 1898 1897 1896 1895 1894 1893 1892 1891

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid